Origin
Ulna – lateral epicondyle
Insertion
5th metacarpal bone
Blood supply
Ulnar artery
Nerve supply
Posterior interosseous nerve
Action
It bends the wrist backwards and sideways toward the thumb side.
Disease/Injury
Extensor carpi ulnaris is one of the muscles affected by lateral epicondylitis, commonly referred to as ‘tennis elbow’.
Muscle Exercise
Wrist extensions make your forearm and wrist muscles strong and healthy. Stand upright and hold a barbell in front of your thighs with your palms facing your body. Repeatedly extend your hands forward to lift the bar and lower it back down.
Interesting Facts NA
